Deyan Electric is a professional supplier with rich experience in industrial electrical appliances, having good price advantage and covering European and American markets. Its LNC820 General-Purpose Inverter has advanced functions and stable quality. It suits bulk buy, applicable to textiles, pumps and more, bringing efficient motor control.
LNC820 series inverters are General-Purpose Inverters that can easily drive and control asynchronous motors. They feature powerful functions and stable performance, meeting international mainstream standards and certifications. The main control chip is a dedicated DSP chip for motor control, enabling higher - performance and higher - precision motor drive control, more diverse frequency source superposition and switching methods, an advanced PID algorithm, 15 - step speed and automatic program operation, as well as frequency swing control and speed tracking functions. While improving product reliability and environmental adaptably, lt strengthens the design or customer - menaliness and Industry specialization, with more optimized runctions, more flexible applications, and more stable performance. It can be applied to industries such as textiles, papermaking, wire - drawing, machine tools, packaging, food, fans, pumps, etc., and various automated production equipment series. This General-Purpose Inverters is standard - equipped with a 485 communication function, and the power units of 22kW and below are standard - equipped with a braking unit.
● Maximize the efficiency of the motor
● Reduce motor losses and energy consumption
● There are three curve - setting methods: The linear curve is suitable for ordinary constant - torque loads. The multi - point curve is suitable for loads of dehydrators and centrifuges. The square - law curve is suitable for loads of fans and pumps.
The three points of the curve can be adjusted
● The most suitable curve can be set according to the torque characteristics of the equipment to achieve better energy - saving results
● It can achieve smooth starting and avoid over - current faults caused by direct starting
● It is more suitable for the use of fans and pumps● It can avoid over - current taunts caused by direct starting and achieve smooth starting
● When the demand for motor torque is low, the excitation current is reduced according to the load current
Nameplate instructions
MODEL:
LNC820-4T0040GB/4T0055PB
POWER:
4KW 9A/5.5KW 13A
INPUT:
3PH AC380V 50HZ/60HZ
OUTPUT:
3PH ACOV-380V OHZ-500HZ
S.N:
Barcode
Technical specification
Item
Specification
Basic functions
Output frequency
0-500Hz
Carrier frequency
0.8kHz~12kHz the carrier frequency can be automatically adjusted according to the load characteristics
Frequency resolution
0.01Hz
Control mode
V/F control
Torque characteristics
With torque compensation and slip compensation,starting torque: G-type machine 0.5Hz/150%,P-type machine 0.5Hz/100%
G-type machine:150%of rated output current for 60S P-type machine:130%of rated output current for 60S
Speed regulation range
1:100
Speed stability accuracy
±1%
Automatic voltage regulation(AVR)
When the grid voltage changes,it can automatically maintain a constant output voltage
Over-voltage and over-current stall control
Automatically limits the current and voltage during operation to prevent frequent over-current and over-voltage tripping
Fast current- limiting function
Minimizes over-current faults to protect the normal operation of the frequency converter
V/F curve
Four modes:linear type;multi-point type;complete V/f separation;incomplete V/fseparation
Acceleration and deceleration curves
Linear orS-curve acceleration and deceleration modes;four acceleration and deceleration times; acceleration and deceleration time range:0.1~6500.0s
DC braking
DC braking frequency:0.00Hz~maximum frequency,braking time:0.0s~36.0s, braking action current value:0.0%~100.0%
Simple PLC,multi- speed operation
Jog frequency range:0.00Hz~50Hz;jog acceleration and deceleration time:0.0s~6500.0s
Jog control
Upto 16-speed operation can be achieved through the built-in PLC or control terminals
Built -in PID
It can easily implement a process-control closed-loop control system
Operating characteristics
Operating command channel
Three channels:given by the operation panel,given by the control terminals,given by the serial communication port.It can be switched in various ways
Frequency source
Ten frequency sources:given by panel knob,given by operation panel,given by analog voltage, given by analog current,given by RS485 communication,multi-speed,PID,simple PLC, which can be switched in various ways
Auxiliary frequency source
Ten auxiliary frequency sources.It can flexibly achieve auxiliary frequency fine -tuning and frequency synthesis
Input terminals
Six digital input terminalsone of which can be used as ahigh-speed pulse input Two analog input channels,Al1:input range0~+10V,Al2:input range0~+10V/0-20mA
Display and keyboard opertion
Output terminals
One high -speed pulse output terminal,outputting square-wave signals from OkHz~50kHz which can realize the output of physical quantities such as set frequency and output frequency One digital output terminal One relay output terminal Two analog output terminals,AO2:0V~10V, A01:0V~10V/0-20mA,which can indicate output frequency/current/voltage/frequency command/ speed/power factor signal output
LED display
It is equipped with 8function keys,a5-digit7-segment LED,and 5 status LED indicators. It can perform forward rotation,reverse rotation,reset,stop.jog,as well as parameter setting and display
Protection characteristics
Protection function
Motor short -circuit detection upon power-on,output phase-loss protection,over-current protection over-voltage protection,under-voltage protection,over-heat protection,overload protection,etc
Environment
Application place
Indoors,not directly exposed to sunlight,free from dust,corrosive gases,flammable gases,oil mist, watervapor,dripping water or salt,etc
Altitude
Less than 1000m
Ambient humidity
-10℃~+40℃(When the ambient temperature is between 40℃~50℃,derating operation is required)
Humidity
Less than 95%RH,without water droplet condensation
For inquiries about High Voltage Switchgear, Medium Voltage Switchgear, Low Voltage Switchgear or price list, please leave your email to us and we will be in touch within 24 hours.
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